Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[28000] [1045] Access denied for user 'root'@'localhost' (using password: YES)' in C:\data\php_connection123\config_server.php:6 Stack trace: #0 C:\data\php_connection123\config_server.php(6): PDO->__construct('mysql:host=127....', 'root', '111cpu111') #1 C:\data\php_connection123\PHP_THERMAL_PRINT\dubill_print.php(6): include('C:\data\php_con...') #2 {main} thrown in C:\data\php_connection123\config_server.php on line 6